CHANCE Lineman Grade Tools & Grounding Catalog (Combined)

Boom Mounted Auxiliary Arm - Square Mast

Truck Accessor ies – 4150 o Epoxiglas® Auxiliary Arm o Single lifting wire holder o Sheave for gin work • Auxiliary Arm may be swiveled to and locked into any desired position • Single lifting wire holder may also be swiveled to maintain conductor alignment • Gin sheave will not swivel and is pinned stationary to keep the plane of the sheave in the vertical position at all times • For use above 15kV, add M48057 insulator to each wireholder; see Page 4158 Features & Applications • 4" x 4" mast is fitted with quick mounting assembly • Assembly attaches to booms from 5-7/8" x 7-3/8" to 12" x 12", both square and rectangular • Working end of mast will accept several accessories such as:

Catalog No. Description

Weight 130 lb./ 58.5 kg.

C4000744 Mast Assy., 10' Arm & Braces  for Booms 5 7/8" x 7 3/8" to 12" x 12" C4000745 Mast Assembly without Arm

90 lb./ 41 kg.

C4000746 Rope Sheave Assembly 8 lb./ 3.6 kg. C4000747 Single Wire Holder 13 lb./ 5.9 kg. C4001469 9"-dia. Boom Adapter (Altec) 40 lb./ 18 kg. C4001877 8"-dia. Boom Adapter (Altec)  40 lb./ 18 kg.

Electrical Ratings: • GLOSSY, CLEAN AND DRY Epoxiglas® • 15kV Phase to Phase (20 Inch Min. Wireholder Spacing) • 34kV Phase to Phase (20 Inch Min. Wireholder

Mechanical Ratings: Max. Total Load:

• Balanced Vertical Load: 1000 lb. • Unbalanced Vertical Load: 800 lb. Rated working load (per wire holder): • Vertical with braces: 200 lb. • Vertical without braces: 150 lb. • Side Load: 100 lb.

Spacing and M4805-7 In sulators are used on each wireholder)

OPTIONAL ADAPTER for Round Booms, see pages 4164 & 4165

C4000747 Wireholder

E4000757

E4000752

The single lifting wire holder may be rotated for alignment with the conductor.

C4000746 Sheave The sheave will take a ¾-inch diameter rope.

C4000268

E4000749

H486210A

E4000750

E4000748

E4000751P

For three phase applications. The auxiliary arm may be rotated to align the wire holders with the conductors, then locked in position.

Easy mounting with our two intermeshing castings with single pivot stud.

March 2020 Phone: 573-682-5521 Email: hpsliterature@hubbell.com Web: hubbellpowersystems.com

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